feat: extract snippets into widgets, code cleanup document details

lib/features/document_details/view/widgets/details_item.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+class DetailsItem extends StatelessWidget {
+  final String label;
+  final Widget content;
+  const DetailsItem({
+    Key? key,
+    required this.label,
+    required this.content,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          label,
+          style: Theme.of(context).textTheme.bodySmall,
+        ),
+        content,
+      ],
+    );
+  }
+
+  DetailsItem.text(
+    String text, {
+    required this.label,
+    required BuildContext context,
+  }) : content = Text(
+          text,
+          style: Theme.of(context).textTheme.bodyLarge,
+        );
+}